package lab01;

public class Test11 {
    public static void main(String[] args) {
    for (int i = 1;i <= 100;i++){
        int num = 0;
        for (int j = 1;j <= i;j++){
            if (i%j == 0){
                num++;
            }
        }if(num == 2){
            System.out.println(i + "是素数");           //以上判断是否为素数
        }
    }
    }
}
